tree d79bde94f65c490b272360ef3ea6a95873ad5303
parent c2448a1e8ca61b501b46626cfc6221ed421bed7b
author Fan Zhang <zhfan@google.com> 1548709832 -0800
committer Fan Zhang <zhfan@google.com> 1548715442 -0800

Add configs to display/hide a few tiles in device info page

- Displaying/hiding Emergency info, branded account, device header
  widget are now driven by config flags
- Also refactored controllers to use BasePreferenceController

Change-Id: Ie601ebf689e0744c6a05a2cca5513fa43ef355e0
Fixes: 119607340
Test: robotests